What characteristics make a community stable?
(N/A) Characteristics that make a community stable are:
$(i)$ $A$ stable community should not show too much variation in productivity from year to year.
$(ii)$ It must be either resistant or resilient to occasional disturbances (natural or man-made).
$(iii)$ It must also be resistant to invasions by alien species.
$(i)$ $A$ stable community should not show too much variation in productivity from year to year.
$(ii)$ It must be either resistant or resilient to occasional disturbances (natural or man-made).
$(iii)$ It must also be resistant to invasions by alien species.
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Which of the following statements are true?
$I$. Species diversity provides stability to the ecosystem.
$II$. Communities with more species tend to be more stable than those with fewer species.
$III$. Ecosystems with higher biodiversity are more productive than ecosystems with lower biodiversity.
$IV$. Biodiversity is not essential for the maintenance and health of the ecosystem.
Choose the correct option.
$I$. Species diversity provides stability to the ecosystem.
$II$. Communities with more species tend to be more stable than those with fewer species.
$III$. Ecosystems with higher biodiversity are more productive than ecosystems with lower biodiversity.
$IV$. Biodiversity is not essential for the maintenance and health of the ecosystem.
Choose the correct option.
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$(ii)$ David Tilman
$(iii)$ Paul Ehrlich
$(i)$ Alexander von Humboldt
$(ii)$ David Tilman
$(iii)$ Paul Ehrlich
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